Synonyms and Antonyms of temperamental
1 frequently influenced by moods and especially bad moods <one of those temperamental actresses who can make life difficult for everyone around her> Synonyms moodyRelated Words capricious, changeable, changeful, fickle, fluctuating, fluid, freakish, impulsive, inconstant, mercurial, mutable, uncertain, unsettled, unstable, unsteady, variable, volatile, whimsical; pouty, sulky; choleric, crabby, cranky, cross, crotchety, grouchy, grumpy, irascible, irritable, peevish, petulant, quick-tempered, short-tempered, snappish, snippety, snippy, testy, waspishNear Antonyms equable, even; immutable, inflexible, invariable, unalterable, unchangeable; changeless, constant, settled, stable, steady, unchanging
2 likely to change frequently, suddenly, or unexpectedly <stock prices have been pretty temperamental lately, often fluctuating wildly> Synonyms capricious, changeable, changeful, flickery, fluctuating, fluid, inconsistent, inconstant, mercurial, mutable, skittish, fickle, uncertain, unpredictable, unsettled, unstable, unsteady, variable, volatileRelated Words aimless, arbitrary, desultory, erratic, haphazard, hit-or-miss, irregular, random, scattered, slapdash, stray; ambivalent, hesitating, shaky, shilly-shally, shilly-shallying, vacillating, wavering; dicey, undependable, unreliable, untrustworthy; adaptable, mobile, protean, versatileNear Antonyms equable, even, uniform; abiding, durable, lasting, permanent, persistent; dependable, reliable, sure, tried, tried-and-true, true, trustworthy, trustyAntonyms certain, changeless, constant, immutable, invariable, predictable, settled, stable, stationary, steady, unchangeable, unchanging, unvarying
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